【Daily Topic】【HVAC Version 20170113】
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Participation reward: 2 Wealth. Correct reward: 9 Wealth. Fill in the blank: ( ) is the method used to determine the amount of air to be supplied under pressure, so as to maintain a reasonable positive pressure in evacuation passages such as smoke-proof stairwells and vestibules when these passages are closed. Differential pressure method
(The differential pressure method) is used to determine the amount of pressurized air required when evacuation passages such as smoke-proof stairwells and vestibules are closed, by maintaining an appropriate positive pressure in these passages.